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Standard
UNE 21817:1989

UNE 21817:1989

MATERIAL ELECTRICO PARA ATMOSFERAS POTENCIALMENTE EXPLOSIVAS. RELLENO PULVERULENTO "Q"

ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES. POWDER FILLING "Q".

Publication Date:
1989-05-22 /Anulada
Cancellation date:
1996-07-10
International equivalences:

EN 50017:1977 (Identical)

Cancellations:

It is cancelled by: UNE-EN 50017:1996